196560021

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 318142080

約数和(自身を除く): 121582059

約数列:

[1, 3, 7, 21, 37, 49, 71, 111, 147, 213, 259, 497, 509, 777, 1491, 1527, 1813, 2627, 3479, 3563, 5439, 7881, 10437, 10689, 18389, 18833, 24941, 36139, 55167, 56499, 74823, 108417, 128723, 131831, 252973, 386169, 395493, 758919, 922817, 1337143, 1770811, 2768451, 4011429, 5312433, 9360001, 28080003, 65520007, 196560021]

約数ペア:

[(1, 196560021), (3, 65520007), (7, 28080003), (21, 9360001), (37, 5312433), (49, 4011429), (71, 2768451), (111, 1770811), (147, 1337143), (213, 922817), (259, 758919), (497, 395493), (509, 386169), (777, 252973), (1491, 131831), (1527, 128723), (1813, 108417), (2627, 74823), (3479, 56499), (3563, 55167), (5439, 36139), (7881, 24941), (10437, 18833), (10689, 18389)]